Expansion valve



FIG. 1 is a front perspective view of an expansion valve showing our newdesign;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof, a right side view being symmetricalto the left side view;

FIG. 6 is a plan view thereof; and,

FIG. 7 is a bottom view thereof.

CLAIM The ornamental design for an expansion valve, as shown anddescribed.